Synonyms of incredulous

incredulous

adjective

(ˌ)in-ˈkre-jə-ləs 

1

as in skeptical

inclined to doubt or question claims

incredulous by nature, I'm of course very suspicious of anyone who claims to be able to communicate with the dead

Synonyms & Similar Words

• skeptical
• suspicious
• cautious
• disbelieving
• careful
• unbelieving
• questioning
• doubting
• distrustful
• negativistic
• wary
• cynical
• mistrustful
• show-me
• paranoid
• curious
• quizzical
• puzzled
• suspecting
• experienced
• unsure
• watchful
• inquisitive
• leery
• unconvinced
• critical
• guarded
• uncertain
• hesitant
• worldly
• sophisticated
• nosy
• undetermined
• worldly-wise
• gun-shy
• undecided
• knowing
• inquiring
• unsettled
• snoopy

Antonyms & Near Antonyms

• credulous
• uncritical
• gullible
• naive
• unsophisticated
• unquestioning
• ingenuous
• trusting
• wide-eyed
• innocent
• simple
• trustful
• green
• positive
• confident
• unworldly
• certain
• sure
• unknowing
• simpleminded
• inexperienced
• impractical
• idealistic
• childlike
• raw
• callow
• careless
• deceived
• unsuspecting
• unsuspicious
• heedless
• unwary
• duped
• beguiled
• tricked
• gulled

2

as in incredible

too extraordinary or improbable to believe

an incredulous account of alien abduction that the tabloids had a field day with

Synonyms & Similar Words

• incredible
• unlikely
• impossible
• unbelievable
• ridiculous
• inconceivable
• absurd
• implausible
• doubtful
• unreasonable
• unconvincing
• unthinkable
• unimaginable
• questionable
• silly
• dubious
• fantastic
• unconceivable
• full of it
• uncompelling
• suspicious
• hopeless
• debatable
• shaky
• suspect
• fishy
• ludicrous
• disputable
• laughable
• far-fetched
• comical
• flimsy
• preposterous
• farcical
• outlandish
• dubitable
• untenable
• indefensible
• dodgy
• doubtable
• risible
• insupportable

Antonyms & Near Antonyms

• plausible
• convincing
• conceivable
• believable
• credible
• possible
• imaginable
• creditable
• probable
• likely
• thinkable
• reasonable
• cogitable
• supposable
• certain
• indisputable
• unquestionable
• undeniable
• sure
• indubitable
• incontestable
• undoubted
• questionless

Example Sentences

Recent Examples of incredulous

California‘s seven Supreme Court justices appeared by turns perplexed by and incredulous of those theories during oral arguments last month. — Sonja Sharp, Los Angeles Times, 24 Sep. 2026

Those reporting her firing or the incredulous facts supporting that fiction have exhibited a complete and utter reckless disregard for the truth. — Brian Steinberg, Variety, 4 Sep. 2026

When a boater posted footage of the new island on social media, incredulous officials thought the video was AI-generated, according to the New York Times. — Frank Landymore, Futurism, 2 Sep. 2026

Besides, there are tree branches to bundle, coupons to clip, guacamole to toss out, incredulous news reports to run through Snopes and at least 20 spam texts to block. — Donna Vickroy, Chicago Tribune, 13 Aug. 2026